ST191 Corona/caldina 3sfe timing - Toyota Nation Forum : Toyota Car and Truck Forums
Corona Forum Specific discussion of the Toyota Corona

 
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post #1 of 5 Old 05-06-2016, 09:56 PM Thread Starter
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ST191 Corona/caldina 3sfe timing

Giday all, I've got what started off as a good economical wee car and since every repair I've done it's turned into a guzzling lemon.
For starters, the person who did it's last cam belt used crap seals, broke and reused the oil pump gasket, reused the original water pump and so on, so after discovering the massive oil leak, strip the front off the motor, line up timing marks to discover the timing 2 teeth out, granted the day it finally lunched it's oil out and heated up enough to not want to keep water anymore I figured this was a possible!
So, new seals, new cam belt, new water pump, all lined up on timing marks. Now pre ignites, is sluggish as all hell and drinks fuel, I've checked cold air idle, O2 sensor, removed cat and rechecked belt timing, I've checked codes and flashed ECU, last night I had a thought on the way home, obviously a Muppet was in there at some stage and here in lies my question, said Muppets obviously weren't smart enough to do a proper repair, I'm thinking said Muppets removed cam to do cam seal and possibly screwed up the cam timing while they were at it, now I'm thinking they have compensated incorrect cam timing by adjusting belt timing. In my mind this doesn't seem possible but hey, they used silicone sealant to hold the seals in.
Does this seem/is this possible?
I'm about ready to burn this car, someone help ease my mind
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post #2 of 5 Old 05-09-2016, 04:10 AM Thread Starter
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Problem solved! Probably not the best method but it annoyed the hell out of me and it worked, flushed cold air idle out, idled at 1500rpm after that, disconnect cold air idle sensor, rpm dropped, engine light came on, plug back in, engine light goes out, idle back to 1500rpm, get grumpy, hold it on the limiter for about 30 seconds hoping the POS will explode, get sick of waiting, let don't off gas, idle back to 700rpm, preignition stopped, drive home, engine didn't miss a beat and didn't suck the fuel tank dry, next day, expecting the worst, start it up, go for drive, fuel gauge still normal, power back to normal, fuel consumption back to normal, driving like a normal car again and not surging and trying to invert the fuel tank via consumption!
So in my logic, don't bother with disconnecting the battery for it to learn again, punish it till it accepts who the boss is!
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post #3 of 5 Old 05-12-2016, 07:22 AM
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I like that.
Thanks for sharing!

_No THANKs necessary !
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post #4 of 5 Old 05-13-2016, 02:02 AM Thread Starter
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Just an update on this, good to see someone enjoyed it but as a disclaimer I wouldn't recommend it, so it's pretty much a week later since said death rev tune, over 500km and still not on quarter tank yet, minor preignition on take off but haven't readjusted throttle cable. It's only low idle pinking on acceleration, no more surging, temp not erratic, yep, I'm not a flashing ecu fan, death rev it!
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post #5 of 5 Old 12-28-2016, 09:32 PM
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I got an ST190 Corona and short of draining the oil and water and killing it that way, you'll never murder a 3S FE, even with a good ole rev tune. I picked up mine for $300 with a lightly stoved front on it and its a wee gem.

On the subject of muppets, the clowns who did the cam belt on my partner's AE111 5A Levin must have retarded the inlet cam timing by a tooth or two because by god, I've driven carbied 2E Corollas with more go than this thing. On the plus side it uses next to no gas in the process

1994 Corona GLX ST190 3S-FE "the $500 work hack"
2000 Lexus LS430 UCF30 3UZ-FE "the 6 grand land barge"

Last edited by Ghost Rider ST; 12-28-2016 at 09:35 PM.
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